1.1.99.22 4 - - 760731 1.1.99.22 5 - assay at 654267 1.1.99.22 6.5 - assay at 721386 1.1.99.22 7.5 8 - 287791 1.1.99.22 9.5 - in an aqueous buffer system 668061 1.1.99.22 10.5 - in reverse micelles 668061